(;GM[1]FF[4]SZ[19]
GN[Black to play]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem120/Attempts]AP[GoWiki:2009]
DT[2014-06-06]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem120/Attempts

Black to play]
PL[B]

AB[ja][jb][jc][ed][fd][gd][jd][be][ce][de][he][je][hf][if]
AW[ca][ka][bb][db][kb][hc][kc][bd][cd][hd][id][kd][ie][ke][jf][kf]

;B[hb]C[B1]MN[1]
;W[gc]C[W2]MN[2]
;B[gb]C[B3]MN[3]
;W[fc]C[W4]MN[4]
;B[ec]C[B5]MN[5]
;W[fb]C[W6]MN[6]
;B[eb]C[B7]MN[7]

;
)
